Suction brush for use in vacuum cleaner and method of adjusting the height thereof

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(11)

EP 2 033 561 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	19.08.2009 Bulletin 2009/34

(43)	Date of publication A2:
	11.03.2009 Bulletin 2009/11

(21)	Application number: 08103094.2

(22)	Date of filing: 28.03.2008

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International Patent Classification (IPC):

B66C 23/36^(2006.01)
A47L 9/04^(2006.01)

B66C 23/64^(2006.01)
A47L 5/34^(2006.01)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
	Designated Extension States:
	AL BA MK RS

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Priority:

06.09.2007 KR 20070090680

(71)	Applicant: Samsung Gwangju Electronics Co., Ltd.
	Gwangju-city (KR)

(72)	Inventors:
	Oh, Jang-Keun Seo-gu Gwang-ju-City (KR) Kim, Min-Ha Gwangju-City (KR)

(74)	Representative: Blot, Philippe Robert Emile
	Cabinet Lavoix 2, place d'Estienne d'Orves 75441 Paris Cedex 09 75441 Paris Cedex 09 (FR)

(54)	Suction brush for use in vacuum cleaner and method of adjusting the height thereof

(57) A suction brush (100) for use in a vacuum cleaner and a method of adjusting the height thereof. The suction brush (100) includes a brush casing (110) having a suction opening to draw in air and a main air passage through which the air drawn in through the suction opening flows, a detecting unit (120) disposed to the brush casing to detect a kind of a surface to be cleaned, a lifting unit (140) to move a bottom surface of the brush casing (110) close to and away from the surface to be cleaned, and a driving unit (160) operated in response to a signal generated from the detecting unit (120) and moving the lifting unit (140) using air pressure generated by the air flowing through the main air passage.

Search report